From nobody Sat Feb 7 03:35:21 2026 Received: from madrid.collaboradmins.com (madrid.collaboradmins.com [46.235.227.194]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5B49D1DA26 for ; Fri, 2 Aug 2024 13:46:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.235.227.194 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722606399; cv=none; b=aR6dKPt8Pr9+/32RxWtf2vM1ZfXyYLabo3orphlfQKWQYV8wmNOKc7DUcRVCcW7r5zX948STxefItqKU8+0lSxxogW5xaG5W98enO+HkMo/9GkdgbP9am4IrqAaxicvtbwqLfO5XTu1c4aQwteQqHbAG4cb0DI3XMOXXQQOU3tw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722606399; c=relaxed/simple; bh=4c9Ldky+3qywdMlPP+dyoq9OuhFiLIHUR2wWzTIlc9E=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=g8WdfpgeSMpVqEPslBZ0jf60q+GRutdvw0N9ZqDNV5XdhY13bpIP3gHQ4bGj9Rllc3nS7hRloDRdI06rnJQmTrnkSnJQnm+S9G/occNaeDH9MoulBxI6GugFTLIqWcapGq5MPMzjm8XT/kJD3p93A7CWP29+eZU7OfLycUGM5gw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=WXqbIFjz; arc=none smtp.client-ip=46.235.227.194 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="WXqbIFjz" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1722606390; bh=4c9Ldky+3qywdMlPP+dyoq9OuhFiLIHUR2wWzTIlc9E=; h=From:To:Cc:Subject:Date:From; b=WXqbIFjzG1uB/AbIfD0r8lOiXH4luNOtGxADP0xm/KojkJzU9GZscyAoQxktWnWZF Fwk3K1AfAhb9mwkm6FHR1QlUZvEN1QE8JeC9ayKPez2SOPL+CknjZqVpshqmoH11pQ qgl7VvAY1XkoX/hxoTfAyt6840/ZNLau2GFIW+tH8HvLgS6gJ6S367G4mRFRnoKe/T fd7HxTxEFaU4I2FHaHC//vAl6Euq5mKkAERXdcqtkZ+yeIFUnt09B960F1DwtnPhNI 4P4S6oy9QqEaLW1z/qcwpIWKleih+KXVezLnI9sCfD1yz/aNNPKNQHHCJv76SmO6OE I7RE6BO6HPINQ== Received: from trenzalore.hitronhub.home (cola.collaboradmins.com [195.201.22.229]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: detlev) by madrid.collaboradmins.com (Postfix) with ESMTPSA id 87CD33782215; Fri, 2 Aug 2024 13:46:29 +0000 (UTC) From: Detlev Casanova To: linux-kernel@vger.kernel.org Cc: Lee Jones , Detlev Casanova Subject: [PATCH] mfd: rk8xx: Add support for rk806 on i2c bus Date: Fri, 2 Aug 2024 09:47:36 -0400 Message-ID: <20240802134736.283851-1-detlev.casanova@collabora.com> X-Mailer: git-send-email 2.46.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The ArmSoM Sige 5 board connects the rk806 PMIC on an i2c bus. Signed-off-by: Detlev Casanova --- drivers/mfd/rk8xx-i2c.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/drivers/mfd/rk8xx-i2c.c b/drivers/mfd/rk8xx-i2c.c index 69a6b297d7238..37287b06dab0d 100644 --- a/drivers/mfd/rk8xx-i2c.c +++ b/drivers/mfd/rk8xx-i2c.c @@ -21,6 +21,17 @@ struct rk8xx_i2c_platform_data { int variant; }; =20 +static bool rk806_is_volatile_reg(struct device *dev, unsigned int reg) +{ + switch (reg) { + case RK806_POWER_EN0 ... RK806_POWER_EN5: + case RK806_DVS_START_CTRL ... RK806_INT_MSK1: + return true; + } + + return false; +} + static bool rk808_is_volatile_reg(struct device *dev, unsigned int reg) { /* @@ -121,6 +132,14 @@ static const struct regmap_config rk805_regmap_config = =3D { .volatile_reg =3D rk808_is_volatile_reg, }; =20 +static const struct regmap_config rk806_regmap_config =3D { + .reg_bits =3D 8, + .val_bits =3D 8, + .max_register =3D RK806_BUCK_RSERVE_REG5, + .cache_type =3D REGCACHE_MAPLE, + .volatile_reg =3D rk806_is_volatile_reg, +}; + static const struct regmap_config rk808_regmap_config =3D { .reg_bits =3D 8, .val_bits =3D 8, @@ -150,6 +169,11 @@ static const struct rk8xx_i2c_platform_data rk805_data= =3D { .variant =3D RK805_ID, }; =20 +static const struct rk8xx_i2c_platform_data rk806_data =3D { + .regmap_cfg =3D &rk806_regmap_config, + .variant =3D RK806_ID, +}; + static const struct rk8xx_i2c_platform_data rk808_data =3D { .regmap_cfg =3D &rk808_regmap_config, .variant =3D RK808_ID, @@ -201,6 +225,7 @@ static SIMPLE_DEV_PM_OPS(rk8xx_i2c_pm_ops, rk8xx_suspen= d, rk8xx_resume); =20 static const struct of_device_id rk8xx_i2c_of_match[] =3D { { .compatible =3D "rockchip,rk805", .data =3D &rk805_data }, + { .compatible =3D "rockchip,rk806", .data =3D &rk806_data }, { .compatible =3D "rockchip,rk808", .data =3D &rk808_data }, { .compatible =3D "rockchip,rk809", .data =3D &rk809_data }, { .compatible =3D "rockchip,rk816", .data =3D &rk816_data }, --=20 2.46.0